Series · 4 parts

AI Agents in Production

From what an agent is to the harness, workflows, and evaluation that make agents reliable in production.

1. 01What an AI agent really isAI Agents Are Becoming Software SystemsWhy building reliable agents requires systems engineering, not just prompting.12 min read · September 12, 2026→
2. 02Deterministic scaffoldingDesigning Reliable Agentic WorkflowsDeterministic scaffolding around nondeterministic models — patterns that hold up.11 min read · August 28, 2026→
3. 03The harness around the modelHarness Engineering: The Discipline Behind Reliable AgentsThe model proposes, the harness disposes — budgets, tools, evals, and the loop that makes agents production-worthy.11 min read · September 12, 2026→
4. 04Operating it in productionFrom Prototype to Production: AI System DesignThe unglamorous checklist between a working demo and a system you can operate.12 min read · August 22, 2026→